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QuickChart vs RandomUser

Same instrument, two spec sheets — measured, not claimed.

APIQuickChartHEALTHY96RandomUserHEALTHY78
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms318210
P95 · ms3598774
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (generated data; sample photos governed by UI Faces terms)
Free tierFree — limits not publishedFree — no key or signup
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

QuickChart vs RandomUser: common questions

Which is more reliable, QuickChart or RandomUser?

Both are neck-and-neck — QuickChart and RandomUser each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, QuickChart or RandomUser?

RandomUser has the lower median latency in our checks — QuickChart responds in 318 ms versus RandomUser at 210 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do QuickChart and RandomUser need an API key?

Neither needs a paid key — QuickChart is callable with no signup, and RandomUser is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call QuickChart and RandomUser from the browser?

Only RandomUser is browser-friendly — it returns CORS headers over HTTPS. QuickChart needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are QuickChart and RandomUser free for commercial use?

QuickChart has unclear commercial terms, and RandomUser has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.